1101425947 has 2 divisors, whose sum is σ = 1101425948. Its totient is φ = 1101425946.

The previous prime is 1101425917. The next prime is 1101425981. The reversal of 1101425947 is 7495241011.

It is an a-pointer prime, because the next prime (1101425981) can be obtained adding 1101425947 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101425947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101425917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550712973 + 550712974.

It is an arithmetic number, because the mean of its divisors is an integer number (550712974).

Almost surely, 2^1101425947 is an apocalyptic number.

1101425947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101425947 is an equidigital number, since it uses as much as digits as its factorization.

1101425947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1101425947 is about 33187.7379012189. The cubic root of 1101425947 is about 1032.7259764087.

Adding to 1101425947 its reverse (7495241011), we get a palindrome (8596666958).

The spelling of 1101425947 in words is "one billion, one hundred one million, four hundred twenty-five thousand, nine hundred forty-seven".